Properties of matterMedium
Question
Water rises to a height of 10cm in capillary tube and mercury falls to a depth of 3.1 cm in the same capillary tube. If the density of mercury is 13.6 and the angle of contact for mercury is 135o, the approximate ratio of surface tensions of water and mercury is
Options
A.1 : 0.15
B.1 : 3
C.1 : 6
D.1.5 : 1
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